Setup envtests in CRA (#18240)

Author: VOID404

components/compass-runtime-agent/Makefile

@@ -17,3 +17,25 @@ release:
 .PHONY: path-to-referenced-charts
 path-to-referenced-charts:
 	@echo "resources/compass-runtime-agent"
+
+.PHONY: test
+test: envtest ## Run tests.
+	if [ -d "$(ARTIFACTS)" ]; then \
+		KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./... -v -coverprofile $(ARTIFACTS)/filtered.cov; \
+	else \
+		KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./... -v; \
+	fi
+
+
+ENVTEST_K8S_VERSION = 1.26.0
+
+LOCALBIN ?= $(shell pwd)/bin
+$(LOCALBIN):
+	mkdir -p $(LOCALBIN)
+
+ENVTEST ?= $(LOCALBIN)/setup-envtest
+
+.PHONY: envtest
+envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
+$(ENVTEST): $(LOCALBIN)
+	test -s $(LOCALBIN)/setup-envtest || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest